Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

DW7094 Mill Valley (D7094)

Lat: 37.91317°NLon: 122.5485°WElev: 204.79ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles W Tamalpais-homestead Valley CA

Heat Advisory March 19, 04:16pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 04:16pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. West wind around 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 56. Northwest wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 73. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 52. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tamalpais-homestead Valley CA
 37.88°N 122.58°W (Elev. 207 ft)
2:37 pm PDT Mar 19, 2026
4pm PDT Mar 19, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database